. Author manuscript; available in PMC: 2019 Jan 24.

Published in final edited form as: Stat Methods Med Res. 2017 Dec 28;28(4):1157–1169. doi: 10.1177/0962280217749991

Table 5.

Power (%) for comparing three methods under different scenarios for negative binomial response for the simulation study.

Sample Size	α = 0			α = 1/3			α = 2/3			α = 1
Sample Size	Vuong	Naive	New	Vuong	Naive	New	Vuong	Naive	New	Vuong	Naive	New
50	27.24	55.01	75.33	27.33	56.62	76.15	27.19	58.80	75.24	26.37	61.00	71.29
100	61.21	87.48	96.21	63.16	89.42	96.91	66.47	90.92	96.06	64.95	87.86	89.92
200	95.97	99.52	99.93	96.87	99.72	99.96	97.82	99.66	99.82	97.21	98.51	97.54
500	100.00	100.00	100.00	100.00	100.00	100.00	100.00	100.00	100.00	100.00	99.95	99.64
1000	100.00	100.00	100.00	100.00	100.00	100.00	100.00	100.00	100.00	100.00	100.00	99.89